3040402440 has 32 divisors (see below), whose sum is σ = 9121207680. Its totient is φ = 810773952.

The previous prime is 3040402423. The next prime is 3040402459. The reversal of 3040402440 is 442040403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12668224 + ... + 12668463.

It is an arithmetic number, because the mean of its divisors is an integer number (285037740).

Almost surely, 2^3040402440 is an apocalyptic number.

3040402440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3040402440 is an abundant number, since it is smaller than the sum of its proper divisors (6080805240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3040402440 is a wasteful number, since it uses less digits than its factorization.

3040402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25336701 (or 25336697 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 3040402440 is about 55139.8443958631. The cubic root of 3040402440 is about 1448.6952099002.

Adding to 3040402440 its reverse (442040403), we get a palindrome (3482442843).

The spelling of 3040402440 in words is "three billion, forty million, four hundred two thousand, four hundred forty".